21505001040
21,505,001,040 is an even composite number composed of six prime numbers multiplied together.
21505001040 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of six hundred divisors.
Prime factorization of 21505001040:
24 × 34 × 5 × 192 × 29 × 317
(2 × 2 × 2 × 2 × 3 × 3 × 3 × 3 × 5 × 19 × 19 × 29 × 317)See below for interesting mathematical facts about the number 21505001040 from the Numbermatics database.
Names of 21505001040
- Cardinal: 21505001040 can be written as Twenty-one billion, five hundred five million, one thousand and forty.
Scientific notation
- Scientific notation: 2.150500104 × 1010
Factors of 21505001040
Divisors of 21505001040
- Number of divisors d(n): 600
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Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 16 18 19 20 24 27 29 30 36 38 40 45 48 54 57 58 60 72 76 80 81 87 90 95 108 114 116 120 135 144 145 152 162 171 174 180 190 216 228 232 240 261 270 285 290 304 317 324 342 348 360 361 380 405 432 435 456 464 513 522 540 551 570 580 634 648 684 696 720 722 760 783 810 855 870 912 951 1026 1044 1080 1083 1102 1140 1160 1268 1296 1305 1368 1392 1444 1520 1539 1566 1585 1620 1653 1710 1740 1805 1902 2052 2088 2160 2166 2204 2280 2320 2349 2536 2565 2610 2736 2755 2853 2888 3078 3132 3170 3240 3249 3306 3420 3480 3610 3804 3915 4104 4176 4332 4408 4560 4698 4755 4959 5072 5130 5220 5415 5510 5706 5776 6023 6156 6264 6340 6480 6498 6612 6840 6960 7220 7608 7695 7830 8208 8265 8559 8664 8816 9193 9396 9510 9747 9918 10260 10440 10469 10830 11020 11412 11745 12046 12312 12528 12680 12996 13224 13680 14265 14440 14877 15216 15390 15660 16245 16530 17118 17328 18069 18386 18792 19020 19494 19836 20520 20880 20938 21660 22040 22824 23490 24092 24624 24795 25360 25677 25992 26448 27579 28530 28880 29241 29754 30115 30780 31320 31407 32490 33060 34236 36138 36772 37584 38040 38988 39672 41040 41876 42795 43320 44080 44631 45648 45965 46980 48184 48735 49590 51354 51984 52345 54207 55158 57060 58482 59508 60230 61560 62640 62814 64980 66120 68472 72276 73544 74385 76080 77976 79344 82737 83752 85590 86640 89262 90345 91930 93960 94221 96368 97470 99180 102708 104690 108414 110316 114120 114437 116964 119016 120460 123120 125628 128385 129960 132240 136944 137895 144552 146205 147088 148770 155952 157035 162621 165474 167504 171180 174667 178524 180690 183860 187920 188442 194940 198360 205416 209380 216828 220632 223155 228240 228874 233928 238032 240920 248211 251256 256770 259920 271035 275790 282663 289104 292410 297540 314070 325242 330948 342360 343311 349334 357048 361380 367720 376884 389880 396720 410832 413685 418760 433656 441264 446310 457748 467856 471105 481840 487863 496422 502512 513540 524001 542070 551580 565326 572185 584820 595080 628140 650484 661896 684720 686622 698668 714096 722760 735440 744633 753768 779760 813105 827370 837520 847989 867312 873335 892620 915496 942210 975726 992844 1027080 1029933 1048002 1084140 1103160 1130652 1144370 1169640 1190160 1241055 1256280 1300968 1323792 1373244 1397336 1413315 1445520 1489266 1507536 1572003 1626210 1654740 1695978 1716555 1746670 1785240 1830992 1884420 1951452 1985688 2054160 2059866 2096004 2168280 2206320 2261304 2288740 2339280 2439315 2482110 2512560 2601936 2620005 2746488 2794672 2826630 2978532 3089799 3144006 3252420 3309480 3318673 3391956 3433110 3493340 3570480 3723165 3768840 3902904 3971376 4119732 4192008 4239945 4336560 4522608 4577480 4716009 4878630 4964220 5149665 5240010 5492976 5653260 5957064 6179598 6288012 6504840 6618960 6637346 6783912 6866220 6986680 7446330 7537680 7805808 7860015 8239464 8384016 8479890 9154960 9269397 9432018 9757260 9928440 9956019 10299330 10480020 11306520 11914128 12359196 12576024 13009680 13274692 13567824 13732440 13973360 14148027 14892660 15448995 15720030 16478928 16593365 16959780 18538794 18864036 19514520 19856880 19912038 20598660 20960040 22613040 23580045 24718392 25152048 26549384 27464880 28296054 29785320 29868057 30897990 31440060 33186730 33919560 37077588 37728072 39029040 39824076 41197320 41920080 46346985 47160090 49436784 49780095 53098768 56592108 59570640 59736114 61795980 62880120 66373460 67839120 70740135 74155176 75456144 79648152 82394640 89604171 92693970 94320180 99560190 113184216 119472228 123591960 125760240 132746920 141480270 148310352 149340285 159296304 179208342 185387940 188640360 199120380 226368432 238944456 247183920 265493840 268812513 282960540 298680570 358416684 370775880 377280720 398240760 448020855 477888912 537625026 565921080 597361140 716833368 741551760 796481520 896041710 1075250052 1131842160 1194722280 1344062565 1433666736 1792083420 2150500104 2389444560 2688125130 3584166840 4301000208 5376250260 7168333680 10752500520 21505001040
- Sum of all divisors σ(n): 81803458440
- Sum of proper divisors (its aliquot sum) s(n): 60298457400
- 21505001040 is an abundant number, because the sum of its proper divisors (60298457400) is greater than itself. Its abundance is 38793456360
Bases of 21505001040
- Binary: 101000000011100110001000110010100002
- Hexadecimal: 0x501CC4650
- Base-36: 9VNIT00
Squares and roots of 21505001040
- 21505001040 squared (215050010402) is 462465069730401081600
- 21505001040 cubed (215050010403) is 9945311805515947779425124864000
-
The
square root of 21505001040 is 146645.8353994409 -
The
cube root of 21505001040 is 2780.8644655585
Scales and comparisons
How big is 21505001040?- 21,505,001,040 seconds is equal to 683 years, 41 weeks, 1 day, 11 hours, 24 minutes.
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To count from 1 to 21,505,001,040 would take you about one thousand, three hundred sixty-seven years!
This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)
- A cube with a volume of 21505001040 cubic inches would be around 231.7 feet tall.
Recreational maths with 21505001040
- 21505001040 backwards is 04010050512
- 21505001040 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21505001040's digits is 18
- More coming soon!
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